Efel(3)

Efel(3) Construction Sets

Efel(3) was an unusual construction system with slotted strips and plates. It was produced in France from around 1946 to 1948

Manufacturer / Distributor

Ets. Martinaud et Co., 33 Quai Arloing 33, Lyon 5, France

Info from the Metal Constructional Systems Database for EFEL [3]

Maker
Gédé

System Type
Hole pitch <12.7mm

Country
France

Dates
1946* to known in 1948 (see comment *¹)

Material
Aluminium (Alloy) (see comment *²)

Thread
M4

Boss Type
single-tapped

Boss Thread

Diametrical Pitch of Gears
--

No. of Parts in System
31

Hole Pitch (Spacing) (mm)
15.0 (see comment *³)

Diameter of holes in Strips(mm)
4.2

Diameter of the Bore in Bosses(mm)
4.1

Diameter of Axle Rods(mm)
3.9

Types of Nuts and Bolts
Nuts: hexagonal
Bolts: cheese (slotted)

Material/Finish of Nuts and Bolts
Aluminium (Alloy) with a Aluminium (Alloy) finish

Size of the Nuts across Flats (mm)
7.1

Bolt diameter (mm)
6.0

Comments
Slotted parts. Most lids have 2 boys with models, but also models with head & shoulders of one. *¹*² 1950s & 1960s have also been suggested. *³ Set with steel & coloured parts also exist. *⁴ 10.0 & 20.0 crossways.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

NOTE : If the MCS document does not appear in the window below, then refresh the page.

The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided

Below there are manuals/leafets and photos which can be downloaded by clicking on the appropriate image.

An Efel(3) manual
(added 14/11/2018)

Various photos of the Efel(3) construction system
(added 14/11/2018)